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Finding the Fourth Proportional to 353,751.84, 488,172.96 and 192,605.04

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Solution

The fourth proportional to 353,751.84, 488,172.96 and 192,605.04 is: 265,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,751.84 : 488,172.96 = 192,605.04 : x
  2. Step 2: Convert to fraction form
    353,751.84/488,172.96 = 192,605.04/x
  3. Step 3: Cross multiply
    353,751.84x = 488,172.96 × 192,605.04
  4. Step 4: Simplify right side
    353,751.84x = 94,024,572,487.72
  5. Step 5: Solve for x
    x = 94,024,572,487.72/353,751.84
  6. Step 6: Final answer
    x = 265,792.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.